void rstwdlist ()
{
register struct tcb *tcbp;
int cnt = 0;
while (cnt < 20)
{
if (thewdlist[cnt])
{
tcbp = thewdlist[cnt];
if (tcpval (tcbp) && watched (tcbp))
{
log (/* gettcbsocket (tcbp) */ -1, "tcp reset %s:%d",
inet_ntoa (tcbp->conn.remote.address), tcbp->conn.remote.port);
reset_tcp (tcbp);
}
// thewdlist[cnt] = 0L; /* make available for someone else */
thewdlist[cnt] = (struct tcb*)0;
}
cnt++;
}
}
int
so_tcp_shut(struct usock *up,int how)
{
switch(how){
case 0: /* No more receives -- replace upcall */
up->cb.tcb->r_upcall = trdiscard;
break;
case 1: /* Send EOF */
close_tcp(up->cb.tcb);
break;
case 2: /* Blow away TCB */
reset_tcp(up->cb.tcb);
up->cb.tcb = NULL;
break;
}
return 0;
}
// 处理tcp断开，重启两个线程
void handler(int signo) {
if(SIGPIPE == signo) {
reset_tcp();
}
}